Please I need help what was significant about the inflammation in the lungs due to the inhalation of chlorine gas ?

Imagine a self-reactive t cell that has not undergone clonal deletion in the thymus (that is to say, it has escaped central tolerance). if it encounters self antigen in the absence of an infection or inflammation, what will happen to this self-reactive t cell? (select two answers) (a) the t cell undergoes clonal expansion. (b) the t cell gains effector functions. (c) the t cell undergoes apoptosis. (d) the t cell becomes activated. (e) the t cell becomes anergic.

Explain the causes and effect of damage to the genetic code.

In the sentence "a mining company will consider the distribution of coal when deciding how to mine the coal," what does the word distribution mean?